PREPONDERANTLY
predominantly, preponderantly
(adverb) much greater in number or influence; “the patients are predominantly indigenous”
Source: WordNet® 3.1
Etymology
Adverb
preponderantly (comparative more preponderantly, superlative most preponderantly)
In a preponderant manner.
Source: Wiktionary
PREPONDERANT
Pre*pon"der*ant a. Etym: [L. praeponderans, -antis: cf. F.
prépondérant. See Preponderate.]
Definition: Preponderating; outweighing; overbalancing; -- used literally
and figuratively; as, a preponderant weight; of preponderant
importance.
– Pre*pon"der*ant*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition